Research On The Urban Vehicle Monitoring And Dispatch Management System

In recent years ,ITS(Intelligent Transportation System) has been the effective way to deal with the traffic problem .As the important part of ITS ,urban vehicle monitoring and dispatch management system is one of the focuses in research and application in ITS.Urban vehicle monitoring and dispatch management system designed in this paper is made up of the vehicle unit ,wireless communication system and controlling center. This system integrated the GPS(Global Position System), GIS(Geographic Information System), GSM(Global System for Mobile),Graph Theory, the technology of computer network and so on. It has the function of displaying electronic map and vehicle real-time monitoring, vehicle alarm processing, the optimization of the shortest path and so on . It can monitor and manage the vehicles remotly effectively which is important for the vehicle keeping the security; it can also improve the vehicle running benefits, alleviate the traffic hustle and jam through the shortest path optimization.The establishment of communication link and the transmission of data information is the important part in urban vehicle monitoring and dispatch management system,. This system adopts the technique of SMS(Short Message Service) in GSM, which not only resolves this problem effectively ,but also has no needs to spend a large quantity of funds to establish the communication network. In addition, The SMS's cost is low, it's a effective way for vehicle monitoring system.This paper analyzed GPS, GSM, GIS, Graph Theory and their development and application in civil and abroad. The design, structure and the development of the system's software are also discussed. It realizes the functions of the vehicle real-time monitoring, sending and receiving SMS information, the process of alarm, the optimization of shortest path and so on.The successful application of the urban vehicle monitoring and dispatch management system will realize the remote vehicle monitoring and protect the vehicle security, and strengthen the ability of handling accidents. It can effectively lower the vehicle's empty carrying rate, and improve the operational benefit of the vehicle, and has remarkable social benefit and economic benefit.